Mountain Lion 10.8.3 Installation Failed

I recently bought a original windows 8 pro disk , with hopes of installing it on my MBP , Late 2011 via bootcamp. After reading in the threads , it has come to my attention that i needed 10.8.3 Mountain Lion to install bootcamp 5 , to install windows 8 64 bit. Thinking that it was a small thing , i went ahead and bought Mountain Lion 10.8 , and downloaded 10.8.3 combo pack so i could install it. However , after restarting my computer to install the update , an error message came out saying that they could not find the recovery disk.
Any help would be greatly appreciated!
PS : I am running OSX Lion 10.7.5

Welcome to Apple Support Communities
If you purchased Mountain Lion from the Mac App Store, did you download it first and run the OS X Mountain Lion installer? The Combo version can only be used if you are running OS X Mountain Lion, and in your case, you don't need it, because you will get OS X 10.8.4 after upgrading to OS X Mountain Lion.
Open the Mac App Store and purchase OS X Mountain Lion. While it's being downloaded, make a backup of your files with Time Machine and check that your applications are compatible > http://www.roaringapps.com
When the download finishes, the OS X Mountain Lion installer will appear, so follow the steps. After upgrading, you will have OS X 10.8.4. Follow Apple's steps to install Windows > http://manuals.info.apple.com/en_US/boot_camp_install-setup_10.8.pdf

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